ppapi/proxy/interface_list.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ppapi/proxy/interface_list.h"
   6
   7 #include "base/hash.h"
   8 #include "base/lazy_instance.h"
   9 #include "base/memory/singleton.h"
  10 #include "ppapi/c/dev/ppb_audio_input_dev.h"
  11 #include "ppapi/c/dev/ppb_buffer_dev.h"
  12 #include "ppapi/c/dev/ppb_char_set_dev.h"
  13 #include "ppapi/c/dev/ppb_crypto_dev.h"
  14 #include "ppapi/c/dev/ppb_cursor_control_dev.h"
  15 #include "ppapi/c/dev/ppb_device_ref_dev.h"
  16 #include "ppapi/c/dev/ppb_font_dev.h"
  17 #include "ppapi/c/dev/ppb_gles_chromium_texture_mapping_dev.h"
  18 #include "ppapi/c/dev/ppb_ime_input_event_dev.h"
  19 #include "ppapi/c/dev/ppb_memory_dev.h"
  20 #include "ppapi/c/dev/ppb_opengles2ext_dev.h"
  21 #include "ppapi/c/dev/ppb_printing_dev.h"
  22 #include "ppapi/c/dev/ppb_scrollbar_dev.h"
  23 #include "ppapi/c/dev/ppb_text_input_dev.h"
  24 #include "ppapi/c/dev/ppb_trace_event_dev.h"
  25 #include "ppapi/c/dev/ppb_truetype_font_dev.h"
  26 #include "ppapi/c/dev/ppb_url_util_dev.h"
  27 #include "ppapi/c/dev/ppb_var_deprecated.h"
  28 #include "ppapi/c/dev/ppb_video_capture_dev.h"
  29 #include "ppapi/c/dev/ppb_view_dev.h"
  30 #include "ppapi/c/dev/ppb_widget_dev.h"
  31 #include "ppapi/c/dev/ppb_zoom_dev.h"
  32 #include "ppapi/c/ppb_audio.h"
  33 #include "ppapi/c/ppb_audio_buffer.h"
  34 #include "ppapi/c/ppb_audio_config.h"
  35 #include "ppapi/c/ppb_compositor.h"
  36 #include "ppapi/c/ppb_compositor_layer.h"
  37 #include "ppapi/c/ppb_console.h"
  38 #include "ppapi/c/ppb_core.h"
  39 #include "ppapi/c/ppb_file_io.h"
  40 #include "ppapi/c/ppb_file_mapping.h"
  41 #include "ppapi/c/ppb_file_ref.h"
  42 #include "ppapi/c/ppb_file_system.h"
  43 #include "ppapi/c/ppb_fullscreen.h"
  44 #include "ppapi/c/ppb_graphics_2d.h"
  45 #include "ppapi/c/ppb_host_resolver.h"
  46 #include "ppapi/c/ppb_image_data.h"
  47 #include "ppapi/c/ppb_input_event.h"
  48 #include "ppapi/c/ppb_instance.h"
  49 #include "ppapi/c/ppb_media_stream_audio_track.h"
  50 #include "ppapi/c/ppb_media_stream_video_track.h"
  51 #include "ppapi/c/ppb_message_loop.h"
  52 #include "ppapi/c/ppb_messaging.h"
  53 #include "ppapi/c/ppb_mouse_lock.h"
  54 #include "ppapi/c/ppb_net_address.h"
  55 #include "ppapi/c/ppb_network_list.h"
  56 #include "ppapi/c/ppb_network_monitor.h"
  57 #include "ppapi/c/ppb_network_proxy.h"
  58 #include "ppapi/c/ppb_opengles2.h"
  59 #include "ppapi/c/ppb_tcp_socket.h"
  60 #include "ppapi/c/ppb_text_input_controller.h"
  61 #include "ppapi/c/ppb_udp_socket.h"
  62 #include "ppapi/c/ppb_url_loader.h"
  63 #include "ppapi/c/ppb_url_request_info.h"
  64 #include "ppapi/c/ppb_url_response_info.h"
  65 #include "ppapi/c/ppb_var.h"
  66 #include "ppapi/c/ppb_var_array.h"
  67 #include "ppapi/c/ppb_var_array_buffer.h"
  68 #include "ppapi/c/ppb_var_dictionary.h"
  69 #include "ppapi/c/ppb_video_decoder.h"
  70 #include "ppapi/c/ppb_video_frame.h"
  71 #include "ppapi/c/ppb_view.h"
  72 #include "ppapi/c/pp_errors.h"
  73 #include "ppapi/c/ppp_instance.h"
  74 #include "ppapi/c/private/ppb_content_decryptor_private.h"
  75 #include "ppapi/c/private/ppb_ext_crx_file_system_private.h"
  76 #include "ppapi/c/private/ppb_file_io_private.h"
  77 #include "ppapi/c/private/ppb_file_ref_private.h"
  78 #include "ppapi/c/private/ppb_find_private.h"
  79 #include "ppapi/c/private/ppb_flash_clipboard.h"
  80 #include "ppapi/c/private/ppb_flash_file.h"
  81 #include "ppapi/c/private/ppb_flash_font_file.h"
  82 #include "ppapi/c/private/ppb_flash_fullscreen.h"
  83 #include "ppapi/c/private/ppb_flash.h"
  84 #include "ppapi/c/private/ppb_flash_device_id.h"
  85 #include "ppapi/c/private/ppb_flash_drm.h"
  86 #include "ppapi/c/private/ppb_flash_menu.h"
  87 #include "ppapi/c/private/ppb_flash_message_loop.h"
  88 #include "ppapi/c/private/ppb_flash_print.h"
  89 #include "ppapi/c/private/ppb_host_resolver_private.h"
  90 #include "ppapi/c/private/ppb_input_event_private.h"
  91 #include "ppapi/c/private/ppb_isolated_file_system_private.h"
  92 #include "ppapi/c/private/ppb_net_address_private.h"
  93 #include "ppapi/c/private/ppb_output_protection_private.h"
  94 #include "ppapi/c/private/ppb_pdf.h"
  95 #include "ppapi/c/private/ppb_platform_verification_private.h"
  96 #include "ppapi/c/private/ppb_talk_private.h"
  97 #include "ppapi/c/private/ppb_tcp_server_socket_private.h"
  98 #include "ppapi/c/private/ppb_tcp_socket_private.h"
  99 #include "ppapi/c/private/ppb_testing_private.h"
 100 #include "ppapi/c/private/ppb_udp_socket_private.h"
 101 #include "ppapi/c/private/ppb_uma_private.h"
 102 #include "ppapi/c/private/ppb_video_destination_private.h"
 103 #include "ppapi/c/private/ppb_video_source_private.h"
 104 #include "ppapi/c/private/ppb_x509_certificate_private.h"
 105 #include "ppapi/c/private/ppp_content_decryptor_private.h"
 106 #include "ppapi/c/trusted/ppb_broker_trusted.h"
 107 #include "ppapi/c/trusted/ppb_browser_font_trusted.h"
 108 #include "ppapi/c/trusted/ppb_char_set_trusted.h"
 109 #include "ppapi/c/trusted/ppb_file_chooser_trusted.h"
 110 #include "ppapi/c/trusted/ppb_url_loader_trusted.h"
 111 #include "ppapi/proxy/interface_proxy.h"
 112 #include "ppapi/proxy/plugin_globals.h"
 113 #include "ppapi/proxy/ppapi_messages.h"
 114 #include "ppapi/proxy/ppb_audio_proxy.h"
 115 #include "ppapi/proxy/ppb_broker_proxy.h"
 116 #include "ppapi/proxy/ppb_buffer_proxy.h"
 117 #include "ppapi/proxy/ppb_core_proxy.h"
 118 #include "ppapi/proxy/ppb_flash_message_loop_proxy.h"
 119 #include "ppapi/proxy/ppb_graphics_3d_proxy.h"
 120 #include "ppapi/proxy/ppb_image_data_proxy.h"
 121 #include "ppapi/proxy/ppb_instance_proxy.h"
 122 #include "ppapi/proxy/ppb_message_loop_proxy.h"
 123 #include "ppapi/proxy/ppb_testing_proxy.h"
 124 #include "ppapi/proxy/ppb_var_deprecated_proxy.h"
 125 #include "ppapi/proxy/ppb_video_decoder_proxy.h"
 126 #include "ppapi/proxy/ppb_x509_certificate_private_proxy.h"
 127 #include "ppapi/proxy/ppp_class_proxy.h"
 128 #include "ppapi/proxy/ppp_content_decryptor_private_proxy.h"
 129 #include "ppapi/proxy/ppp_find_proxy.h"
 130 #include "ppapi/proxy/ppp_graphics_3d_proxy.h"
 131 #include "ppapi/proxy/ppp_input_event_proxy.h"
 132 #include "ppapi/proxy/ppp_instance_private_proxy.h"
 133 #include "ppapi/proxy/ppp_instance_proxy.h"
 134 #include "ppapi/proxy/ppp_messaging_proxy.h"
 135 #include "ppapi/proxy/ppp_mouse_lock_proxy.h"
 136 #include "ppapi/proxy/ppp_pdf_proxy.h"
 137 #include "ppapi/proxy/ppp_printing_proxy.h"
 138 #include "ppapi/proxy/ppp_text_input_proxy.h"
 139 #include "ppapi/proxy/ppp_video_decoder_proxy.h"
 140 #include "ppapi/proxy/resource_creation_proxy.h"
 141 #include "ppapi/shared_impl/ppb_opengles2_shared.h"
 142 #include "ppapi/shared_impl/ppb_var_shared.h"
 143 #include "ppapi/thunk/thunk.h"
 144
 145 // Helper to get the proxy name PPB_Foo_Proxy given the API name PPB_Foo.
 146 #define PROXY_CLASS_NAME(api_name) api_name##_Proxy
 147
 148 // Helper to get the interface ID PPB_Foo_Proxy::kApiID given the API
 149 // name PPB_Foo.
 150 #define PROXY_API_ID(api_name) PROXY_CLASS_NAME(api_name)::kApiID
 151
 152 // Helper to get the name of the templatized factory function.
 153 #define PROXY_FACTORY_NAME(api_name) ProxyFactory<PROXY_CLASS_NAME(api_name)>
 154
 155 // Helper to get the name of the thunk GetPPB_Foo_1_0_Thunk given the interface
 156 // struct name PPB_Foo_1_0.
 157 #define INTERFACE_THUNK_NAME(iface_struct) thunk::Get##iface_struct##_Thunk
 158
 159 namespace ppapi {
 160 namespace proxy {
 161
 162 namespace {
 163
 164 template<typename ProxyClass>
 165 InterfaceProxy* ProxyFactory(Dispatcher* dispatcher) {
 166   return new ProxyClass(dispatcher);
 167 }
 168
 169 base::LazyInstance<PpapiPermissions> g_process_global_permissions;
 170
 171 }  // namespace
 172
 173 InterfaceList::InterfaceList() {
 174   memset(id_to_factory_, 0, sizeof(id_to_factory_));
 175
 176   // Register the API factories for each of the API types. This calls AddProxy
 177   // for each InterfaceProxy type we support.
 178   #define PROXIED_API(api_name) \
 179       AddProxy(PROXY_API_ID(api_name), &PROXY_FACTORY_NAME(api_name));
 180
 181   // Register each proxied interface by calling AddPPB for each supported
 182   // interface. Set current_required_permission to the appropriate value for
 183   // the value you want expanded by this macro.
 184   #define PROXIED_IFACE(iface_str, iface_struct) \
 185       AddPPB(iface_str, \
 186              INTERFACE_THUNK_NAME(iface_struct)(), \
 187              current_required_permission);
 188
 189   {
 190     Permission current_required_permission = PERMISSION_NONE;
 191     #include "ppapi/thunk/interfaces_ppb_private_no_permissions.h"
 192     #include "ppapi/thunk/interfaces_ppb_public_stable.h"
 193   }
 194   {
 195     Permission current_required_permission = PERMISSION_DEV;
 196     #include "ppapi/thunk/interfaces_ppb_public_dev.h"
 197   }
 198   {
 199     Permission current_required_permission = PERMISSION_PRIVATE;
 200     #include "ppapi/thunk/interfaces_ppb_private.h"
 201   }
 202   {
 203 #if !defined(OS_NACL)
 204     Permission current_required_permission = PERMISSION_FLASH;
 205     #include "ppapi/thunk/interfaces_ppb_private_flash.h"
 206 #endif  // !defined(OS_NACL)
 207   }
 208   {
 209     Permission current_required_permission = PERMISSION_DEV_CHANNEL;
 210     #include "ppapi/thunk/interfaces_ppb_public_dev_channel.h"
 211   }
 212
 213   #undef PROXIED_API
 214   #undef PROXIED_IFACE
 215
 216   // Manually add some special proxies. Some of these don't have interfaces
 217   // that they support, so aren't covered by the macros above, but have proxies
 218   // for message routing. Others have different implementations between the
 219   // proxy and the impl and there's no obvious message routing.
 220   AddProxy(API_ID_RESOURCE_CREATION, &ResourceCreationProxy::Create);
 221   AddProxy(API_ID_PPP_CLASS, &PPP_Class_Proxy::Create);
 222   AddPPB(PPB_CORE_INTERFACE_1_0,
 223          PPB_Core_Proxy::GetPPB_Core_Interface(), PERMISSION_NONE);
 224   AddPPB(PPB_MESSAGELOOP_INTERFACE_1_0,
 225          PPB_MessageLoop_Proxy::GetInterface(), PERMISSION_NONE);
 226   AddPPB(PPB_OPENGLES2_INTERFACE_1_0,
 227          PPB_OpenGLES2_Shared::GetInterface(), PERMISSION_NONE);
 228   AddPPB(PPB_OPENGLES2_INSTANCEDARRAYS_INTERFACE_1_0,
 229          PPB_OpenGLES2_Shared::GetInstancedArraysInterface(), PERMISSION_NONE);
 230   AddPPB(PPB_OPENGLES2_FRAMEBUFFERBLIT_INTERFACE_1_0,
 231          PPB_OpenGLES2_Shared::GetFramebufferBlitInterface(), PERMISSION_NONE);
 232   AddPPB(PPB_OPENGLES2_FRAMEBUFFERMULTISAMPLE_INTERFACE_1_0,
 233          PPB_OpenGLES2_Shared::GetFramebufferMultisampleInterface(),
 234          PERMISSION_NONE);
 235   AddPPB(PPB_OPENGLES2_CHROMIUMENABLEFEATURE_INTERFACE_1_0,
 236          PPB_OpenGLES2_Shared::GetChromiumEnableFeatureInterface(),
 237          PERMISSION_NONE);
 238   AddPPB(PPB_OPENGLES2_CHROMIUMMAPSUB_INTERFACE_1_0,
 239          PPB_OpenGLES2_Shared::GetChromiumMapSubInterface(), PERMISSION_NONE);
 240   AddPPB(PPB_OPENGLES2_CHROMIUMMAPSUB_DEV_INTERFACE_1_0,
 241          PPB_OpenGLES2_Shared::GetChromiumMapSubInterface(), PERMISSION_NONE);
 242   AddPPB(PPB_OPENGLES2_QUERY_INTERFACE_1_0,
 243          PPB_OpenGLES2_Shared::GetQueryInterface(), PERMISSION_NONE);
 244   AddPPB(PPB_OPENGLES2_VERTEXARRAYOBJECT_INTERFACE_1_0,
 245          PPB_OpenGLES2_Shared::GetVertexArrayObjectInterface(),
 246          PERMISSION_NONE);
 247   AddPPB(PPB_OPENGLES2_DRAWBUFFERS_DEV_INTERFACE_1_0,
 248          PPB_OpenGLES2_Shared::GetDrawBuffersInterface(),
 249          PERMISSION_DEV);
 250   AddPPB(PPB_VAR_ARRAY_BUFFER_INTERFACE_1_0,
 251          PPB_Var_Shared::GetVarArrayBufferInterface1_0(),
 252          PERMISSION_NONE);
 253   AddPPB(PPB_VAR_INTERFACE_1_2,
 254          PPB_Var_Shared::GetVarInterface1_2(), PERMISSION_NONE);
 255   AddPPB(PPB_VAR_INTERFACE_1_1,
 256          PPB_Var_Shared::GetVarInterface1_1(), PERMISSION_NONE);
 257   AddPPB(PPB_VAR_INTERFACE_1_0,
 258          PPB_Var_Shared::GetVarInterface1_0(), PERMISSION_NONE);
 259
 260 #if !defined(OS_NACL)
 261   // PPB (browser) interfaces.
 262   // Do not add more stuff here, they should be added to interface_list*.h
 263   // TODO(brettw) remove these.
 264   AddProxy(API_ID_PPB_INSTANCE_PRIVATE, &ProxyFactory<PPB_Instance_Proxy>);
 265   AddPPB(PPB_INSTANCE_PRIVATE_INTERFACE_0_1,
 266          thunk::GetPPB_Instance_Private_0_1_Thunk(),
 267          PERMISSION_PRIVATE);
 268
 269   AddProxy(API_ID_PPB_VAR_DEPRECATED, &ProxyFactory<PPB_Var_Deprecated_Proxy>);
 270   AddPPB(PPB_VAR_DEPRECATED_INTERFACE,
 271          PPB_Var_Deprecated_Proxy::GetProxyInterface(), PERMISSION_DEV);
 272
 273   // TODO(tomfinegan): Figure out where to put these once we refactor things
 274   // to load the PPP interface struct from the PPB interface.
 275   AddProxy(API_ID_PPP_CONTENT_DECRYPTOR_PRIVATE,
 276            &ProxyFactory<PPP_ContentDecryptor_Private_Proxy>);
 277   AddPPP(PPP_CONTENTDECRYPTOR_PRIVATE_INTERFACE,
 278          PPP_ContentDecryptor_Private_Proxy::GetProxyInterface());
 279 #endif
 280   AddProxy(API_ID_PPB_TESTING, &ProxyFactory<PPB_Testing_Proxy>);
 281   AddPPB(PPB_TESTING_PRIVATE_INTERFACE,
 282          PPB_Testing_Proxy::GetProxyInterface(), PERMISSION_TESTING);
 283
 284   // PPP (plugin) interfaces.
 285   // TODO(brettw) move these to interface_list*.h
 286   AddProxy(API_ID_PPP_GRAPHICS_3D, &ProxyFactory<PPP_Graphics3D_Proxy>);
 287   AddPPP(PPP_GRAPHICS_3D_INTERFACE, PPP_Graphics3D_Proxy::GetProxyInterface());
 288   AddProxy(API_ID_PPP_INPUT_EVENT, &ProxyFactory<PPP_InputEvent_Proxy>);
 289   AddPPP(PPP_INPUT_EVENT_INTERFACE, PPP_InputEvent_Proxy::GetProxyInterface());
 290   AddProxy(API_ID_PPP_INSTANCE, &ProxyFactory<PPP_Instance_Proxy>);
 291 #if !defined(OS_NACL)
 292   AddPPP(PPP_INSTANCE_INTERFACE_1_1,
 293          PPP_Instance_Proxy::GetInstanceInterface());
 294   AddProxy(API_ID_PPP_INSTANCE_PRIVATE,
 295            &ProxyFactory<PPP_Instance_Private_Proxy>);
 296   AddPPP(PPP_INSTANCE_PRIVATE_INTERFACE,
 297          PPP_Instance_Private_Proxy::GetProxyInterface());
 298 #endif
 299   AddProxy(API_ID_PPP_MESSAGING, &ProxyFactory<PPP_Messaging_Proxy>);
 300   AddProxy(API_ID_PPP_MOUSE_LOCK, &ProxyFactory<PPP_MouseLock_Proxy>);
 301   AddPPP(PPP_MOUSELOCK_INTERFACE, PPP_MouseLock_Proxy::GetProxyInterface());
 302   AddProxy(API_ID_PPP_PRINTING, &ProxyFactory<PPP_Printing_Proxy>);
 303   AddPPP(PPP_PRINTING_DEV_INTERFACE, PPP_Printing_Proxy::GetProxyInterface());
 304   AddProxy(API_ID_PPP_TEXT_INPUT, &ProxyFactory<PPP_TextInput_Proxy>);
 305   AddPPP(PPP_TEXTINPUT_DEV_INTERFACE, PPP_TextInput_Proxy::GetProxyInterface());
 306 #if !defined(OS_NACL)
 307   AddProxy(API_ID_PPP_PDF, &ProxyFactory<PPP_Pdf_Proxy>);
 308   AddPPP(PPP_PDF_INTERFACE, PPP_Pdf_Proxy::GetProxyInterface());
 309   AddProxy(API_ID_PPP_FIND_PRIVATE, &ProxyFactory<PPP_Find_Proxy>);
 310   AddPPP(PPP_FIND_PRIVATE_INTERFACE, PPP_Find_Proxy::GetProxyInterface());
 311   AddProxy(API_ID_PPP_VIDEO_DECODER_DEV, &ProxyFactory<PPP_VideoDecoder_Proxy>);
 312   AddPPP(PPP_VIDEODECODER_DEV_INTERFACE,
 313          PPP_VideoDecoder_Proxy::GetProxyInterface());
 314 #endif
 315 }
 316
 317 InterfaceList::~InterfaceList() {
 318 }
 319
 320 // static
 321 InterfaceList* InterfaceList::GetInstance() {
 322   return Singleton<InterfaceList>::get();
 323 }
 324
 325 // static
 326 void InterfaceList::SetProcessGlobalPermissions(
 327     const PpapiPermissions& permissions) {
 328   g_process_global_permissions.Get() = permissions;
 329 }
 330
 331 InterfaceProxy::Factory InterfaceList::GetFactoryForID(ApiID id) const {
 332   int index = static_cast<int>(id);
 333   COMPILE_ASSERT(API_ID_NONE == 0, none_must_be_zero);
 334   if (id <= 0 || id >= API_ID_COUNT)
 335     return NULL;
 336   return id_to_factory_[index];
 337 }
 338
 339 const void* InterfaceList::GetInterfaceForPPB(const std::string& name) {
 340   NameToInterfaceInfoMap::iterator found =
 341       name_to_browser_info_.find(name);
 342   if (found == name_to_browser_info_.end())
 343     return NULL;
 344
 345   if (g_process_global_permissions.Get().HasPermission(
 346           found->second.required_permission)) {
 347     // Only log interface use once per plugin.
 348     if (!found->second.interface_logged) {
 349       PluginGlobals::Get()->GetBrowserSender()->Send(
 350           new PpapiHostMsg_LogInterfaceUsage(HashInterfaceName(name)));
 351       found->second.interface_logged = true;
 352     }
 353     return found->second.iface;
 354   }
 355   return NULL;
 356 }
 357
 358 const void* InterfaceList::GetInterfaceForPPP(const std::string& name) const {
 359   NameToInterfaceInfoMap::const_iterator found =
 360       name_to_plugin_info_.find(name);
 361   if (found == name_to_plugin_info_.end())
 362     return NULL;
 363   return found->second.iface;
 364 }
 365
 366 void InterfaceList::AddProxy(ApiID id,
 367                              InterfaceProxy::Factory factory) {
 368   // For interfaces with no corresponding _Proxy objects, the macros will
 369   // generate calls to this function with API_ID_NONE. This means we
 370   // should just skip adding a factory for these functions.
 371   if (id == API_ID_NONE)
 372     return;
 373
 374   // The factory should be an exact dupe of the one we already have if it
 375   // has already been registered before.
 376   int index = static_cast<int>(id);
 377   DCHECK(!id_to_factory_[index] || id_to_factory_[index] == factory);
 378
 379   id_to_factory_[index] = factory;
 380 }
 381
 382 void InterfaceList::AddPPB(const char* name,
 383                            const void* iface,
 384                            Permission perm) {
 385   DCHECK(name_to_browser_info_.find(name) == name_to_browser_info_.end());
 386   name_to_browser_info_[name] = InterfaceInfo(iface, perm);
 387 }
 388
 389 void InterfaceList::AddPPP(const char* name,
 390                            const void* iface) {
 391   DCHECK(name_to_plugin_info_.find(name) == name_to_plugin_info_.end());
 392   name_to_plugin_info_[name] = InterfaceInfo(iface, PERMISSION_NONE);
 393 }
 394
 395 // static
 396 int InterfaceList::HashInterfaceName(const std::string& name) {
 397   uint32 data = base::Hash(name.c_str(), name.size());
 398   // Strip off the signed bit because UMA doesn't support negative values,
 399   // but takes a signed int as input.
 400   return static_cast<int>(data & 0x7fffffff);
 401 }
 402
 403 }  // namespace proxy
 404 }  // namespace ppapi